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Title
Recommendations on evidence needed to support measurement equivalence between electronic and paper-based patient-reported outcome (PRO) measures: ISPOR ePRO Good Research Practices Task Force report.
Authors
Coons SJ; Gwaltney CJ; Hays RD; Lundy JJ; Sloan JA; Revicki DA; Lenderking WR; Cella D; Basch E
Publication
Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research, 2009, Vol 12, Issue 4, p419